On Sat, 11 Jun 2016 17:43:14 +0200 Francois Gerin <francois.ge...@gmail.com> wrote: > Subject: kopete+otr send messages unencrypted without notice > Package: kopete > Version: 4:4.14.1-2 > Justification: user security hole > Severity: grave > Tags: security upstream > > Dear Maintainer, > > Using kopete with OTR plugin lead to messages sent unencrypted without > notice. (I discovered this after sending sensitive credentials while helping some people remotely...) > > After checking that OTR encryption was working ("private session started" > notice), I was helping people remotely while feeling secure. After a first restart of the other end computer, I saw a notification saying that OTR session was refreshed (which is normal$ > Later on, I detected that, in fact, the people at the other end were getting > all my messages unencrypted... despite of the notification I got on my end. > First detection was done with "Opportunistic" policy on both sides. Then I > tested again with a full restart at both ends + "Always" policy for OTR plugin. Same result: when the other end restarts and I keep my session opened, I get the "OTR session refreshed"$ > > Several accounts credentials were sent in clear, among which for a root > account. > > When I pay attention for the "OTR session refreshed" message, and especially > when "Always" policy is used on both sides, I would expect to be alerted that some internal issue canceled the encryption, no matters what's the reason. > The notifications are not reliable, and we're talking about a secure > messaging system here (OTR)... This forced me to uninstall kopete, since I cannot rely on it for secure messaging. > > Remarks: > - Two bugs already mention this in the bug tracking of kopete at https://bugs.kde.org/show_bug.cgi?id=274099 and https://bugs.kde.org/show_bug.cgi?id=362535 > - While the kopete team cannot solve this (old) issue, I cannot believe > debian can go on propagating this dangerous thing and the heavy security consequences to the community, among which are key journalists. > - Until it is fixed, the OTR plugin should be disabled for kopete, or the > kopete UI should at least alert about its experimental support status in red uppercases. > > Thanks a lot in advance for any action, to disable it or fix it! > > > > > -- System Information: > Debian Release: 8.5 > APT prefers stable-updates > APT policy: (500, 'stable-updates'), (500, 'stable') > Architecture: amd64 (x86_64) > > Kernel: Linux 3.16.0-4-amd64 (SMP w/4 CPU cores) > Locale: LANG=fr_BE.UTF-8, LC_CTYPE=fr_BE.UTF-8 (charmap=UTF-8) > Shell: /bin/sh linked to /bin/dash > Init: systemd (via /run/systemd/system) > > Versions of packages kopete depends on: > ii kde-runtime 4:4.14.2-2 > ii kdepim-runtime 4:4.14.2-3 > ii libc6 2.19-18+deb8u4 > ii libexpat1 2.1.0-6+deb8u3 > ii libgadu3 1:1.12.0-5 > ii libgif4 4.1.6-11+deb8u1 > ii libglib2.0-0 2.42.1-1+b1 > ii libidn11 1.29-1+deb8u1 > ii libjasper1 1.900.1-debian1-2.4+deb8u1 > ii libkabc4 4:4.14.2-2+b1 > ii libkcmutils4 4:4.14.2-5 > ii libkde3support4 4:4.14.2-5 > ii libkdecore5 4:4.14.2-5 > ii libkdeui5 4:4.14.2-5 > ii libkdnssd4 4:4.14.2-5 > ii libkemoticons4 4:4.14.2-5 > ii libkhtml5 4:4.14.2-5 > ii libkio5 4:4.14.2-5
Hi! This problem is fixed in Kopete 16.12. Debian KDE team now needs to update Kopete package... -- Pali Rohár pali.ro...@gmail.com
signature.asc
Description: This is a digitally signed message part.